/*
 *
 * This is a VoIP Application designed for local-network usage for voice and
 * messaging
 * Copyright (C) 2012  Imran M Yousuf (imyousuf@smitsol.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.smitsol.voip.server.sip;

import javax.servlet.sip.SipURI;
import javax.servlet.sip.URI;
import org.apache.commons.lang.StringUtils;

/**
 *
 * @author imyousuf
 */
public final class SipUtils {

  public static String getCanonicalUri(URI uri) {
    return getCanonicalUri(uri, true);
  }
  public static String getCanonicalUri(URI uri, boolean overrideScheme) {
    if (uri.isSipURI()) {
      SipURI sipUri = (SipURI) uri;
      StringBuilder canonicalUriBuilder = new StringBuilder();
      if(overrideScheme) {
        canonicalUriBuilder.append("sip:");
      }
      else {
        if(sipUri.isSecure()) {
          canonicalUriBuilder.append("sips:");
        }
        else {
          canonicalUriBuilder.append("sip:");
        }
      }
      if (StringUtils.isNotBlank(sipUri.getUser())) {
        canonicalUriBuilder.append(sipUri.getUser().toLowerCase()).append('@');
      }
      canonicalUriBuilder.append(sipUri.getHost().toLowerCase());
      if (sipUri.getPort() > 0) {
        canonicalUriBuilder.append(':').append(sipUri.getPort());
      }
      return canonicalUriBuilder.toString();
    }
    else {
      return uri.toString();
    }
  }
}
